US4152302A - Support matrix for a catalytic reactor for scrubbing exhaust gases in internal combustion engines - Google Patents

Support matrix for a catalytic reactor for scrubbing exhaust gases in internal combustion engines Download PDF

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Publication number
US4152302A
US4152302A US05/924,904 US92490478A US4152302A US 4152302 A US4152302 A US 4152302A US 92490478 A US92490478 A US 92490478A US 4152302 A US4152302 A US 4152302A
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US
United States
Prior art keywords
steel
tabs
steel panel
panels
matrix according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US05/924,904
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English (en)
Inventor
Manfred Nonnenmann
Helmut Bardong
Klaus Haller
Bohumil Humpolik
Vlastimil Kluna
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vitesco Technologies Lohmar Verwaltungs GmbH
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Behr GmbH and Co KG
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Filing date
Publication date
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Publication of US4152302A publication Critical patent/US4152302A/en
Assigned to EMITEC GESELLSCHAFT FUER EMISSIONSTECHNOLOGIE MBH reassignment EMITEC GESELLSCHAFT FUER EMISSIONSTECHNOLOGIE MBH SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BEHR GMBH & CO.
Assigned to EMITEC GESELLSCHAFT FUER EMISSIONSTECHNOLOGIE MBH reassignment EMITEC GESELLSCHAFT FUER EMISSIONSTECHNOLOGIE MBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BEHR GMBH & CO.
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2807—Metal other than sintered metal
    • F01N3/281—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates
    • F01N3/2814—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates all sheets, plates or foils being corrugated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2807—Metal other than sintered metal
    • F01N3/281—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates
    • F01N3/2821—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates the support being provided with means to enhance the mixing process inside the converter, e.g. sheets, plates or foils with protrusions or projections to create turbulence
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/02—Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
    • F01N2330/04—Methods of manufacturing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/1234—Honeycomb, or with grain orientation or elongated elements in defined angular relationship in respective components [e.g., parallel, inter- secting, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12361—All metal or with adjacent metals having aperture or cut
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12361—All metal or with adjacent metals having aperture or cut
    • Y10T428/12368—Struck-out portion type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12375—All metal or with adjacent metals having member which crosses the plane of another member [e.g., T or X cross section, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/1241—Nonplanar uniform thickness or nonlinear uniform diameter [e.g., L-shape]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24281—Struck out portion type
    • Y10T428/24289—Embedded or interlocked

Definitions

  • the invention relates to a support matrix for a catalytic reactor for scrubbing exhaust gases in internal combustion engines, especially gasoline engines in motor vehicles, made of high temperature resistant steel, composed of alternating steel panels, at least one of which is corrugated, whereby the steel panels are coated with catalyst before the support matrix is assembled, or coated after the support matrix has been assembled.
  • the individual layers of steel panels can be welded together.
  • the support matrix itself can be retained in a jacket by holding means, preferably disposed in front of the end of the matrix, this holding means consisting for example of intersecting struts, wires, or rods, or a wire mesh.
  • An object of the invention is to provide a support matrix of the type described hereinabove, such that axial displacement of the layers is reliably prevented and, moreover, if possible, a turbulent flow of gases in the channels in the matrix is produced.
  • the projections or depressions are in the form of tabs partially bent upward and downward from the plane of the steel panel, whereby the tabs point parallel to the lengthwise axis and opposite the coiling direction, but can also point parallel to the lengthwise axis, in or against the coiling direction.
  • the adjacent steel panel is provided with holes, into which the projecting tabs of one steel panel fit.
  • the tabs are oriented perpendicularly to the lengthwise axis of the steel panel, whereby they again project in various arrangements upward and downward from the steel panel, and can also point in, against, or both in and against the flow direction of the gas.
  • the invention also includes all possible combinations of tabs, projecting upward and downward, and oriented in, and perpendicular to, the lengthwise axis of the steel panel, whereby the tabs oriented parallel to the lengthwise axis of the steel panel preferably serve to retain the matrix, which the tabs which point at right angles to the lengthwise axis of the steel panel serve primarily for generating turbulence.
  • the tabs of the steel panel are caused to project in such manner that they notch into adjacent upper or lower panels.
  • the tabs at the edge of the smooth steel panel are bent alternately upward and downward, so that they grip the adjacent corrugated steel panel in the upper and lower panels.
  • the projections and depressions are made in the form of grooves, with the groove of a smooth steel panel meshing with the upper groove of a corrugated steel panel and the lower groove of the corrugated steel panel meshing with the groove of the smooth steel panel.
  • the grooves in the corrugated panel which are very advantageous for turbulence, can be replaced by cutting the individual depressions or impressions on both sides of each corrugation of the corrugated panel, which combine to form the grooves, thus changing their shape to that of arcuate segments.
  • the corrugations of two adjacent steel panels are inclined opposite to one another and form channels located crosswise.
  • Another advantageous embodiment of the invention is produced by providing a corrugated steel panel with transverse corrugations and with lengthwise tabs which run at right angles to the cross corrugations.
  • nails or staples are provided in the steel panels or steel strips, whereby small passageways are formed in the individual steel panels, so that axial displacement is inhibited not only in the case in which the nails or staples remain in the matrix, but also in the case where, for example, the nails are removed again.
  • FIG. 1 is an exploded view of a first embodiment of the invention
  • FIG. 2 in an embodiment which is a modification of FIG. 1;
  • FIG. 3 is an embodiment which constitutes a combination of the examples shown in FIGS. 1 and 2;
  • FIG. 4 is another embodiment
  • FIG. 5 is the embodiment shown in FIG. 4, in partial cross section
  • FIG. 6 is another embodiment
  • FIG. 7 is a modified embodiment
  • FIG. 8 is another modified embodiment
  • FIG. 9 is yet another embodiment
  • FIG. 10 is the matrix according to the embodiment shown in FIG. 9, in the rolled-up state
  • FIG. 11 is a modified embodiment
  • FIG. 12 is a diagram showing how the embodiment shown in FIG. 11 is made.
  • FIG. 13 is another modified embodiment.
  • a matrix 1 according to the invention is generally manufactured of steel panels 2 and 3. Smooth steel panels 2 alternate with corrugated steel panels 3. According to the invention, smooth steel panels 2 are provided with tabs 4a and 4b, projecting part way upward and downward out of the plane of steel panels 2. Corrugated steel panels 3 are provided with holes 5, preferably lengthwise slots. When steel panels 2 and 3 are assembled to form a matrix, projecting tabs 4a and 4b fit into holes 5 of the upper and lower adjacent panels.
  • Holes 5 can be punched and tabs 4a and 4b bent in simple fashion by machinery, so that the individual steel panels 2 and 3 can be connected together without fastening means or welding processes, whereby the engagement of tabs 4a and 4b in holes 5 prevents axial displacement of steel panels 2 relative to steel panels 3 (and vice versa) in a reliable fashion.
  • projecting tabs 4a can be seen in the direction of the lengthwise axis of steel panels 2 and 3.
  • the embodiment shown in FIG. 2 differs essentially from the embodiment in FIG. 1 only in the orientation of projecting tabs 4a.
  • tabs 4b point at right angles to the lengthwise axis of steel panel 2.
  • Tabs 4b are arranged in lines and rows, whereby the individual rows can be staggered with respect to one another. Accordingly, lengthwise holes 5 in steel panels 3 can also be staggered in rows.
  • tabs 4 and 4b in one line project in the same direction, while tabs 4a and 4b of the next line are bent in the opposite direction out of the plane of steel panel 3.
  • the design can be such that the alternating arrangement of tabs 4a and 4b is in the form of a checkerboard.
  • FIG. 3 shows a design which contains upwardly and downwardly bent tabs, said tabs being oriented both parallel (4a) and vertically (4b) to the lengthwise axis of the steel panels.
  • FIG. 5 shows a cross section on an enlarged scale illustrating the alternating bends in tabs 6 of steel panel 2, which penetrate the matching surfaces of the adjacent turns of steel panels 3.
  • steel panels 2 have edge tabs 7, which can be bent for example on one side out of the plane of steel panel 2.
  • edge tabs 7 are bent alternately upward and downward out of the plane of steel panel 2.
  • the width of steel panel 2 is slightly greater than the width of steel panel 3, namely, by approximately twice the height of edge tabs 7. This ensures that the positions of steel panels 3 between the adjacent layers of steel panels 2 will be maintained in an axially non-displaceable manner by edge tabs 7 of adjacent steel panels 2, said tabs abutting edges 8 of steel panels 3.
  • grooves 9 are provided in smooth steel panel 2 and impressions 10 are provided in corrugated steel panel 3 which form grooves, whereby each groove 9 of smooth panel 2 meshes with an upper groove 10 of corrugated panel 3 and a lower groove 10 of corrugated panel 3 meshes with groove 9 of smooth panel 2.
  • FIG. 8 is a modification of FIG. 7, whereby the impressions which produce grooves 10 in FIG. 7 are replaced in the corrugation peaks of corrugated steel panel 3 by arcuate segments 11. Moreover, in this design, additional, similar arcuate segments 12 are provided in the troughs of the corrugations of the corrugated steel panel, and are staggered. Finally, the grooves in smooth panel 2 are disposed alternately upward 22 and downward 9, so that the latter can engage the grooves formed by arcuate segments 11 and 12.
  • FIG. 11 Another embodiment of a matrix 1 according to the invention with similarly corrugated steel panels 3 is shown in FIG. 11. Corrugations are produced by arrow-shaped corrugations 14, whereby a matrix of adjacent strips runs in the opposite direction from arrow-shaped corrugations 14 when a matrix is assembled. The friction between two superimposed strips with corrugations inclined in opposite directions impedes axial displacement of the layers. The mutual arrangement of arrow-shaped corrugations 14 forms channels 15, running crosswise, which evoke an additional turbulent flow.
  • FIG. 12 shows how gears 19, 20 can make a corrugated panel 3 from a smooth strip according to the embodiment shown in FIG. 11.
  • a first corrugated panel of this kind is wound up on a supply reel 21.
  • a second strip is provided with corrugations 14 by the use of gears 19, 20 and the first panel with the arrows in the opposite direction, is fed to the second panel from supply reel 21, whereupon both panels are jointly wound up to form a matrix 1.
  • FIG. 13 shows another embodiment wherein nails 23 or staples 24 are attached during or after the coiling of the steel panels 2 and 3, the nails or staples extending through several panels. Since small passageways already produced in steel panels 2, 3 by the introduction of nails 23 or staples 24 prevent axial displacement of steel panels 2, 3, it is also possible in this embodiment to remove e.g. staples 23 one more.
  • the invention is not limited to the embodiments shown and described.
  • matrices of flat steel panels 2 and 3 can be formed for example.
  • the arrangement and design of transverse corrugations 17 according to FIG. 9, unlike the embodiment shown, can also be made U-shaped.
  • Holes 5 in corrugated steel panel 3 and holes, preferably instead of tabs 4 in smooth steel panel 2 to produce turbulence, are not limited to the embodiments shown in FIGS. 1 to 3.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
US05/924,904 1977-07-26 1978-07-14 Support matrix for a catalytic reactor for scrubbing exhaust gases in internal combustion engines Expired - Lifetime US4152302A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2733640 1977-07-26
DE2733640A DE2733640C3 (de) 1977-07-26 1977-07-26 Matrix für einen katalytischen Reaktor zur Abgasreinigung bei Brennkraftmaschinen

Publications (1)

Publication Number Publication Date
US4152302A true US4152302A (en) 1979-05-01

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Family Applications (1)

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US05/924,904 Expired - Lifetime US4152302A (en) 1977-07-26 1978-07-14 Support matrix for a catalytic reactor for scrubbing exhaust gases in internal combustion engines

Country Status (6)

Country Link
US (1) US4152302A (fr)
JP (1) JPS6027807B2 (fr)
DE (1) DE2733640C3 (fr)
ES (1) ES237434Y (fr)
FR (1) FR2398880A1 (fr)
GB (1) GB2001547B (fr)

Cited By (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4273681A (en) * 1979-01-25 1981-06-16 Suddeutsche Kuhlerfabrik Julius Fr. Behr Gmbh & Co. Kg Support matrix for a catalytic reactor for scrubbing exhaust gases in an internal combustion engine
US4349450A (en) * 1981-04-01 1982-09-14 Johnson Matthey, Inc. Catalytic elements
US4588631A (en) * 1983-01-28 1986-05-13 The Dow Chemical Company Support for tubesheets in hollow fiber permeators
US4647435A (en) * 1983-11-19 1987-03-03 Suddeutsche Kuhlerfabrik Julius Fr. Behr Gmbh & Co. Kg Catalytic reactor arrangement including catalytic reactor matrix
US4668395A (en) * 1983-01-28 1987-05-26 The Dow Chemical Company Support for tubesheets in hollow fiber permeators
US4795616A (en) * 1987-06-19 1989-01-03 General Motors Corporation Catalytic converter monolithic substrate retention
US4886711A (en) * 1987-11-27 1989-12-12 General Motors Corporation Catalytic converter metal monolithic catalyst substrate
US4891257A (en) * 1985-09-11 1990-01-02 Sueddeutsche & Kuehlerfabrik Julius Fr. Behr GmbH Carrier matrix, particularly for a catalytic reactor for the exhaust emission control in the case of internal-combustion engines
US4904327A (en) * 1986-03-12 1990-02-27 The Dow Chemical Company Method of making a support for tubesheets in hollow fiber permeators
US4987034A (en) * 1987-12-28 1991-01-22 Usui Kokusai Sangyo Kabushiki Kaisha High-efficiency metal-made carrier body for exhaust gas cleaning catalyst
US5045403A (en) * 1989-07-27 1991-09-03 Emitec Gesellschaft Fur Emissionstechnologie Mbh Honeycomb body with internal leading edges, in particular a catalyst body for motor vehicles
US5187142A (en) * 1991-09-03 1993-02-16 General Motors Corporation Catalytic converter metal monolith
US5312694A (en) * 1991-10-17 1994-05-17 Ishino Corporation Co., Ltd. Material for catalyzer for purification of exhaust gas and catalyzer using such a material
US5330728A (en) * 1992-11-13 1994-07-19 General Motors Corporation Catalytic converter with angled inlet face
US5370943A (en) * 1991-01-31 1994-12-06 Emitec Gesellschaft Fuer Emissionstechnologie Mbh Honeycomb body with nonhomogeneous electric heating
US5384100A (en) * 1992-09-08 1995-01-24 Sotralentz S.A. Baffle assembly for catalytic converter
US5403559A (en) * 1989-07-18 1995-04-04 Emitec Gesellschaft Fuer Emissionstechnologie Device for cleaning exhaust gases of motor vehicles
US5512251A (en) * 1994-07-29 1996-04-30 W. R. Grace & Co.-Conn. Combined electrically heatable converter body
US5549873A (en) * 1994-02-18 1996-08-27 Volkswagen Ag Exhaust gas converter arrangement
US5567395A (en) * 1994-04-21 1996-10-22 Nippon Soken, Inc. Catalyst carrier for a catalytic converter for purifying an exhaust gas in an internal combustion engine
US5599509A (en) * 1993-03-17 1997-02-04 Nippondenso Co., Ltd. Honeycomb body and catalyst converter having catalyst carrier configured of this honeycomb
US5618501A (en) * 1992-12-09 1997-04-08 Emitec, Gesellschaft Fuer Emissionstechnologie Mbh Catalytic converter with two or more honeycomb bodies in a casing tube and method for its production
US5647937A (en) * 1994-12-08 1997-07-15 Monica Ronai Textile manufacturing apparatus and method
US5648050A (en) * 1993-03-17 1997-07-15 Nippondenso Co., Ltd. Metal carrier
US5658536A (en) * 1994-12-22 1997-08-19 Nippon Soken, Inc. Exhaust gas purifying apparatus
US5791043A (en) * 1995-05-22 1998-08-11 Nippondenso Co., Ltd. Process of producing metal catalyst carrier
US5795658A (en) * 1994-09-26 1998-08-18 Emitec Gesellschaft Fuer Emissionstechnologie Mbh Honeycomb body having microstructures in an intersecting configuration
WO2000023268A1 (fr) * 1998-10-20 2000-04-27 Atd Corporation Panneaux isolants multicouches de toles ou feuilles de metal ondulees, et leur procede de fabrication
US6099809A (en) * 1998-08-31 2000-08-08 General Motors Corporation Catalytic converter having a metal foil substrate
US6187274B1 (en) 1995-12-13 2001-02-13 Sandvik Ab Turbulence inducer in a catalytic converter channel
US6190784B1 (en) * 1996-06-25 2001-02-20 Emitec Gesellschaft Fuer Emissionstechnologie Mbh Conical honeycomb body with longitudinal structures
US6316121B1 (en) * 1997-12-12 2001-11-13 Emitec Gesellschaft Fuer Emissionstechnologie Mbh Metal foil with through openings and honeycomb body
US20020060992A1 (en) * 2000-11-22 2002-05-23 Kiyomu Endo Diesel particulate removing apparatus
US20020076364A1 (en) * 1999-05-31 2002-06-20 Rolf Bruck Ceramic honeycomb body with intercalation and method for producing the same
US20030012973A1 (en) * 2000-11-15 2003-01-16 Shin Sato Metallic catalyst carrier
WO2003048538A1 (fr) * 2001-11-29 2003-06-12 Toyo Kohan Co., Ltd. Tole a ouvertures et a ailettes multiples, procede de fabrication de cette tole, element pour dispositif antipollution utilisant cette tole et procede de fabrication de cet element
US20030202919A1 (en) * 2000-11-14 2003-10-30 Brueck Rolf Radial-flow and segmented honeycomb body
US20040043899A1 (en) * 2002-01-16 2004-03-04 Christian Mangold Metal foil with an embossed structure for use in the purification of exhaust gas and a tool and method for its production
US20040074094A1 (en) * 2001-03-16 2004-04-22 Brueck Rolf Process for producing a metallic honeycomb body with a receptacle for a sensor
US20040121908A1 (en) * 2002-12-11 2004-06-24 Hiroshi Tanabe Metal catalyst carrier
SG116434A1 (en) * 2000-11-30 2005-11-28 O Den Corp Diesel particulate removing apparatus.
US20070122318A1 (en) * 2005-11-29 2007-05-31 Habeger Craig F Catalytic converter
US20090175768A1 (en) * 2006-04-24 2009-07-09 Ecocat Oy Substrate having corrugated sheet(s) and channel(s) for treating exhaust gases of combustion engines
US7799734B2 (en) 2004-05-19 2010-09-21 Emitec Gesellschaft Fur Emissionstechnologie Mbh Catalyst carrier body for a catalytic converter to be installed close to an engine, catalytic converter, exhaust system and vehicle having the catalyst carrier body
US20110030829A1 (en) * 2008-04-18 2011-02-10 Sven Melker Nilsson Channel system
US20110120687A1 (en) * 2008-08-06 2011-05-26 Sven Melker Nilsson Channel system
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CN104968414A (zh) * 2012-07-18 2015-10-07 三菱日立电力系统株式会社 催化剂结构体
CN109072754A (zh) * 2016-05-25 2018-12-21 大陆汽车有限公司 用于排气后处理的蜂窝体
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JPH0733875Y2 (ja) * 1989-05-08 1995-08-02 臼井国際産業株式会社 排気ガス浄化装置
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JP3366914B2 (ja) 1991-07-04 2003-01-14 松本鋼管株式会社 触媒メタル担体とその製造方法
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US20040121908A1 (en) * 2002-12-11 2004-06-24 Hiroshi Tanabe Metal catalyst carrier
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US7799734B2 (en) 2004-05-19 2010-09-21 Emitec Gesellschaft Fur Emissionstechnologie Mbh Catalyst carrier body for a catalytic converter to be installed close to an engine, catalytic converter, exhaust system and vehicle having the catalyst carrier body
US20070122318A1 (en) * 2005-11-29 2007-05-31 Habeger Craig F Catalytic converter
US20090175768A1 (en) * 2006-04-24 2009-07-09 Ecocat Oy Substrate having corrugated sheet(s) and channel(s) for treating exhaust gases of combustion engines
US20110030829A1 (en) * 2008-04-18 2011-02-10 Sven Melker Nilsson Channel system
US9441523B2 (en) 2008-04-18 2016-09-13 Sven Melker Nilsson Channel system with internal flow director and turbulence generator
US20110120687A1 (en) * 2008-08-06 2011-05-26 Sven Melker Nilsson Channel system
US9410462B2 (en) 2008-08-06 2016-08-09 Sven Melker Nilsson Channel system
US8288010B2 (en) * 2009-04-24 2012-10-16 Emitec Gesellschaft Fuer Emissionstechnologie Mbh Sheet-metal layer with anti-diffusion structures and metallic honeycomb body with at least one such sheet-metal layer
CN102414410B (zh) * 2009-04-24 2014-04-30 排放技术有限公司 具有防扩散结构的板层以及包括至少一个这种板层的金属蜂窝体
CN102414410A (zh) * 2009-04-24 2012-04-11 排放技术有限公司 具有防扩散结构的板层以及包括至少一个这种板层的金属蜂窝体
US20120064360A1 (en) * 2009-04-24 2012-03-15 Emitec Gesellschaft Fuer Emissionstechnologie Mbh Sheet-metal layer with anti-diffusion structures and metallic honeycomb body with at least one such sheet-metal layer
CN104968414A (zh) * 2012-07-18 2015-10-07 三菱日立电力系统株式会社 催化剂结构体
CN104968414B (zh) * 2012-07-18 2017-05-17 三菱日立电力系统株式会社 催化剂结构体
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CN109072754A (zh) * 2016-05-25 2018-12-21 大陆汽车有限公司 用于排气后处理的蜂窝体
CN109072754B (zh) * 2016-05-25 2020-11-10 大陆汽车有限公司 用于排气后处理的蜂窝体
US11192058B2 (en) 2016-05-25 2021-12-07 Vitesco Technologies GmbH Honeycomb body for exhaust gas aftertreatment
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Publication number Publication date
DE2733640A1 (de) 1979-02-08
ES237434Y (es) 1979-07-16
DE2733640C3 (de) 1981-04-30
FR2398880A1 (fr) 1979-02-23
DE2733640B2 (de) 1980-07-17
ES237434U (es) 1979-03-16
GB2001547B (en) 1982-08-25
FR2398880B1 (fr) 1982-02-19
JPS5425321A (en) 1979-02-26
GB2001547A (en) 1979-02-07
JPS6027807B2 (ja) 1985-07-01

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